Conditional required field : Form Validation « SmartClient « JavaScript DHTML






Conditional required field

 
<!--
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<!-- The following code is revised from SmartClient demo code(SmartClient_70rc2_LGPL.zip).-->



<HTML><HEAD>
  <SCRIPT>var isomorphicDir="isomorphic/";</SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Core.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Foundation.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Containers.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Grids.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Forms.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_DataBinding.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Calendar.js></SCRIPT>
  <SCRIPT SRC=isomorphic/skins/standard/load_skin.js></SCRIPT>
</HEAD><BODY BGCOLOR='silver'>

<SCRIPT>
isc.DynamicForm.create({
    ID: "exampleForm",
    width: 250,
    titleOrientation: "top",
    fields: [
        {name: "willAttend",
         type: "radioGroup",
         colSpan: "*",
         required: true,
         vertical: false,
         valueMap: ["Yes", "No"],
         redrawOnChange:true,
         title: "Will you be attending the meeting on April 4th? If no, please provide a reason"
        },
        {name: "reason",
         type: "text",
         title: "Reason",
         validators : [{
            type: "requiredIf",
            expression: "exampleForm.getValue('willAttend') == 'No'",
            errorMessage: "Please provide a reason"
         }]
        },
        {name: "validate",
         title: "Validate",
         type: "button",
         click: "form.validate()"
        }
    ]
});


</SCRIPT>
</BODY>
</HTML>

   
  








Related examples in the same category

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2.Validation type: requiredIf
3.Must be a boolean value
4.Integer field
5.Integer value range field
6.Lower Bounded Integer Range
7.Upper Bounded Integer Range
8.Bounded Length Range Validation
9.Lower Bounded Length Range Validation
10.Upper Bounded Length Range Validation
11.Must match field validation
12.Value must be one of
13.Value must contain the substring
14.Value must not contain any spaces
15.Substring Count Validation
16.Regexp validation
17.Mark field as required
18.Confirmation based field validation